html {
    height: 100%;
    background: #FFF;
    color: #000;
    font-size: 62.5%;
  }
  
  body {
    min-height: 100%;
    margin: 0;
    display: grid;
    place-items: center;
    font-size: 1.4rem;
  }
  
  .button {
    border: none;
    color: #FFF;
    background: #42b983;
    appearance: none;
    font: inherit;
    font-size: 1.8rem;
    padding: .5em 1em;
    border-radius: .3em;
    cursor: pointer;
  }
  
  .modal {
    position: absolute;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    margin: auto;
    text-align: center;
    width: fit-content;
    height: fit-content;
    max-width: 22em;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 5px 5px rgba(0, 0, 0, 0.2);
    background: #FFF;
    z-index: 999;
    transform: none;
  }
  .modal h1 {
    margin: 0 0 1rem;
  }
  
  .modal-overlay {
    content: '';
    position: absolute;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 998;
    background: #2c3e50;
    opacity: 0.6;
    cursor: pointer;
  }
  
  /* ---------------------------------- */
  .fade-enter-active,
  .fade-leave-active {
    transition: opacity .4s linear;
  }
  
  .fade-enter,
  .fade-leave-to {
    opacity: 0;
  }
  
  .pop-enter-active,
  .pop-leave-active {
    transition: transform 0.4s cubic-bezier(0.5, 0, 0.5, 1), opacity 0.4s linear;
  }
  
  .pop-enter,
  .pop-leave-to {
    opacity: 0;
    transform: scale(0.3) translateY(-50%);
  }